Category Archives: VMware

Deploying VMware NSX 6.2 in my Lab

When NSX was released i really wanted to set this up in my lab and get a closer look at the features. Once you deploy the NSX Manger appliance you will see an additional section in the web client called … Continue reading →...

Posted in VMware | Tagged , , , | Leave a comment

How to clone a single disk on a VM running in VMware ESXi

-ESXi Utility to clone a single VMware virtual disks. SSH to the ESXi host and run the below command. -On a powered OFF VM run it on the disk.vmdk (not the disk-flat.vmdk) -On a Powered ON VM first create a … Continue reading →...

Posted in VMware | Leave a comment

Understanding Historical “CPU Ready” statistics in VMware vCenter server

One of the most confusing performance metrics in vCenter server is the CPU “Ready” metric. Part of the reason is that this metrics shows up as a “Summation in milliseconds”.  In additional to that the threshold changes depend...

Posted in VMware | Tagged , , , , , | Leave a comment

Boot Windows Server 2012 on ESXi 4.1

I needed to create a Windows Server 2012 R2 on one of our older ESXi hosts and quickly found out that ESXi 4.1 does not support Server 2012 as a guest OS.  The newest guestOS supported is Windows 2008 R2. … Continue reading →...

Posted in VMware | Tagged , , , | Leave a comment

iPerf Network performance comparison between Virtual Machines on ESXi6

I finally found some time to run a series of iPerf network performance tests between Windows server 2008 R2, Windows 2012 and a Linux Debian virtual machines. The tests compare bandwidth throughput between vmxnet3, e1000 going through a 1Gbit and &he...

Posted in Linux, Networking, VMware | Tagged , , , , , , , , | Leave a comment

Manually running sysprep.xml file generated by VMware vCenter

When a user deploys a VM from a template, there is an option to customize the virtual machine by attaching a customization spec to the VM.  What happens in the background is that the virtual machine is cloned from a … Continue reading →...

Posted in Microsoft, VMware | Tagged , , , | 1 Comment

SQL Script to create a vCenter 6 database without granting dbo permissions

While installing vCenter 6 I ran into an issue where the following error showed up “The user associated with the DSN has insufficient privileges.  Please provide sufficient privileges for the user by granting the user the following permissio...

Posted in VMware | Tagged , , | Leave a comment

Easy way to create a portable version of the vSphere Client

I recently stumbled on a very easy way to create a portable version of the vSphere client without using Thinapp.  The process extracts the contents of the msi installer that you can copy into a folder and take along with … Continue reading &r...

Posted in VMware | Tagged , , , , | 1 Comment

Adding Realtek R8168 Driver to an ESXi 6.0 ISO

As part of my home lab I installed ESXi 6.0 on one of my older i5 Desktops, the PC has a Realtek 8168 network card built into the motherboard.  I recently tried to upgrade it to ESXi 6.0 but it … Continue reading →...

Posted in VMware | Tagged , , , , | 21 Comments